Timer



FIG. 1 is a front, left perspective view of a timer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The rear view is unornamented.

The portions of the drawings illustrated in broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a timer, as shown and described. 